Liebert Vertiv GXT5, Installer/User Manual

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Maintenance 86
5.3. Checking UPS Operation
• Operation-check procedures may interrupt output power supplied to the connected load.
We recommend checking the UPS operation once every 6 months. Ensure that output power loss to the connected
load will not cause data loss or other errors before conducting the check.
1. Press the Enter button to check the indicators and display function, see Operation and Display Panel on
page 53 .
2. Check for any alarm or fault indicators on the operation/display panel.
3. Make sure that there are no audible or silenced alarms. Select the Log, and look at the Current tab for alarm
and fault history, see Log Screen on page 71 .
4. Check the flow screen to ensure the UPS is operating in Normal mode. If the UPS is operating in Bypass
mode, contact Vertiv Technical Support.
5. Check the flow screen to see if batteries are discharging (operating in Battery mode) while utility power is
normal. If so, contact Vertiv Technical Support.
5.4. Cleaning the UPS
WARNING! Risk of electric shock
Can cause injury or death. Disconnect all local and remote electric power supplies before working with the UPS.
Ensure that the unit is shut down and power has been disconnected before beginning any maintenance
The UPS requires no internal cleaning. If the outside of the UPS becomes dusty, wipe with a dry cloth. Do not use
liquid or aerosol cleaners. Do not insert any objects into the ventilation holes or other openings in the UPS.
5.5. Replacing the Power-distribution Box
Use the following procedures to replace the ups
UPS Remove
1. Transfer the connected equipment to the internal bypass.
a. Loosen the upper maintenance bypass captive screw over maintenance bypass breaker.